Index: firmware/App/DGCommon.h
===================================================================
diff -u -rb93d59e35abc7a815cb108831ffca93635321028 -r67021fbc633259e8e1bce76749dbef7d0cb51998
--- firmware/App/DGCommon.h	(.../DGCommon.h)	(revision b93d59e35abc7a815cb108831ffca93635321028)
+++ firmware/App/DGCommon.h	(.../DGCommon.h)	(revision 67021fbc633259e8e1bce76749dbef7d0cb51998)
@@ -51,7 +51,7 @@
 //    #define DISABLE_RO_RATIO_CHECK          1
     #define DISABLE_COND_SENSOR_CHECK       1
     #define DISABLE_MIXING                  1
-    #define DISABLE_WATER_QUALITY_CHECK     1
+//    #define DISABLE_WATER_QUALITY_CHECK     1
     #define DISABLE_RTC_CONFIG              1
     //#define V_2_SYSTEM                      1
     #define THD_USING_TRO_CONNECTOR         1